The girl said she came from a place called Saint Martin's Land, where the sun never rose, and everything sat in permanent twilight. She and a younger boy had been herding cattle, heard a sound like the bells of a great church echoing across the fields , and then found themselves standing by a wolf pit in Suffolk, England. Their skin was green. King Stephen sat on the English throne, placing this in the 1150s, near the village of Woolpit (named for the wolf pits dug to trap wolves). The children spoke a language nobody recognized and refused everything offered to them until somebody brought out raw broad beans, which they ate hungrily and lived on for months. Two medieval writers recorded the story.…